Using the Roon Nucleus and Roon to stream from Tidal any MQA content above 44.1 has been replaced with FLAC.
I sent Tidal an email an inquiry and they did reply simply stating they have moved to the free FLAC format and showed me the new price that is nearly $10 a month less.

DSP8000SEUP, 218, KEF Blade, Mcintosh Mc611x2, C49, Roon Nucleus. 'lovin the dream.